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authorJouni Malinen <j@w1.fi>2008-04-15 17:08:15 +0300
committerJouni Malinen <j@w1.fi>2008-04-15 17:08:15 +0300
commitd4092763cf386a3590d13240b4dad2162c7a0c2f (patch)
treeb6e369692943f4670f8e74ace1b8419485608ceb /patches
parent1c156e783d3510e07d59bfc34f860061e5552a30 (diff)
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Fixed fallback to full handshake when server rejects PAC-Opaque
The TLS client changes in ssl3_get_server_hello() were based on the pre-RFC 5077 version of OpenSSL and they hardcoded s->hit to 1 in case PAC-Opaque was used. This prevented fallback to full TLS handshake in case the server rejected PAC-Opaque in ClientHello. The fixed version simplifies ssl3_get_server_hello() and uses the new RFC 5077 functionality in OpenSSL (ssl3_check_finished) to allow the state machine handle start of abbreviated handshake based on the used ticket.
Diffstat (limited to 'patches')
-rw-r--r--patches/openssl-0.9.9-session-ticket.patch78
1 files changed, 31 insertions, 47 deletions
diff --git a/patches/openssl-0.9.9-session-ticket.patch b/patches/openssl-0.9.9-session-ticket.patch
index 2c27337..ae2cca0 100644
--- a/patches/openssl-0.9.9-session-ticket.patch
+++ b/patches/openssl-0.9.9-session-ticket.patch
@@ -1,4 +1,4 @@
-This patch adds support for TLS SessionTicket extension (RFC 4507) for
+This patch adds support for TLS SessionTicket extension (RFC 5077) for
the parts used by EAP-FAST (RFC 4851).
This is based on the patch from Alexey Kobozev <akobozev@cisco.com>
@@ -6,26 +6,15 @@ This is based on the patch from Alexey Kobozev <akobozev@cisco.com>
-diff -upr openssl-SNAP-20071101.orig/ssl/s3_clnt.c openssl-SNAP-20071101/ssl/s3_clnt.c
---- openssl-SNAP-20071101.orig/ssl/s3_clnt.c 2007-10-26 06:00:28.000000000 -0700
-+++ openssl-SNAP-20071101/ssl/s3_clnt.c 2007-11-01 19:19:43.000000000 -0700
-@@ -715,7 +715,7 @@ int ssl3_get_server_hello(SSL *s)
- STACK_OF(SSL_CIPHER) *sk;
- SSL_CIPHER *c;
- unsigned char *p,*d;
-- int i,al,ok;
-+ int i,al,ok,pre_shared;
- unsigned int j;
- long n;
- #ifndef OPENSSL_NO_COMP
-@@ -782,7 +782,26 @@ int ssl3_get_server_hello(SSL *s)
+diff -upr openssl-SNAP-20080415.orig/ssl/s3_clnt.c openssl-SNAP-20080415/ssl/s3_clnt.c
+--- openssl-SNAP-20080415.orig/ssl/s3_clnt.c 2008-01-06 00:00:33.000000000 +0200
++++ openssl-SNAP-20080415/ssl/s3_clnt.c 2008-04-15 16:58:39.000000000 +0300
+@@ -785,6 +785,20 @@ int ssl3_get_server_hello(SSL *s)
goto f_err;
}
-- if (j != 0 && j == s->session->session_id_length
-+ /* check if we want to resume the session based on external pre-shared secret */
-+ pre_shared = 0;
+#ifndef OPENSSL_NO_TLSEXT
++ /* check if we want to resume the session based on external pre-shared secret */
+ if (s->version >= TLS1_VERSION && s->tls_session_secret_cb)
+ {
+ SSL_CIPHER *pref_cipher=NULL;
@@ -33,22 +22,17 @@ diff -upr openssl-SNAP-20071101.orig/ssl/s3_clnt.c openssl-SNAP-20071101/ssl/s3_
+ if (s->tls_session_secret_cb(s, s->session->master_key, &s->session->master_key_length,
+ NULL, &pref_cipher, s->tls_session_secret_cb_arg))
+ {
-+ s->hit=1;
+ s->session->cipher=pref_cipher ? pref_cipher : ssl_get_cipher_by_char(s,p+j);
-+ s->session->session_id_length = j;
-+ memcpy(s->session->session_id, p, j);
-+ pre_shared = 1;
+ }
+ }
+#endif /* OPENSSL_NO_TLSEXT */
+
-+ if ((pre_shared || j != 0) && j == s->session->session_id_length
+ if (j != 0 && j == s->session->session_id_length
&& memcmp(p,s->session->session_id,j) == 0)
{
- if(s->sid_ctx_length != s->session->sid_ctx_length
-diff -upr openssl-SNAP-20071101.orig/ssl/s3_srvr.c openssl-SNAP-20071101/ssl/s3_srvr.c
---- openssl-SNAP-20071101.orig/ssl/s3_srvr.c 2007-10-26 06:00:29.000000000 -0700
-+++ openssl-SNAP-20071101/ssl/s3_srvr.c 2007-11-01 19:19:43.000000000 -0700
+diff -upr openssl-SNAP-20080415.orig/ssl/s3_srvr.c openssl-SNAP-20080415/ssl/s3_srvr.c
+--- openssl-SNAP-20080415.orig/ssl/s3_srvr.c 2007-10-26 16:00:29.000000000 +0300
++++ openssl-SNAP-20080415/ssl/s3_srvr.c 2008-04-15 16:32:08.000000000 +0300
@@ -992,6 +992,59 @@ int ssl3_get_client_hello(SSL *s)
SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,SSL_R_CLIENTHELLO_TLSEXT);
goto err;
@@ -133,9 +117,9 @@ diff -upr openssl-SNAP-20071101.orig/ssl/s3_srvr.c openssl-SNAP-20071101/ssl/s3_
/* Do the message type and length last */
d=p= &(buf[4]);
-diff -upr openssl-SNAP-20071101.orig/ssl/ssl.h openssl-SNAP-20071101/ssl/ssl.h
---- openssl-SNAP-20071101.orig/ssl/ssl.h 2007-10-26 17:01:28.000000000 -0700
-+++ openssl-SNAP-20071101/ssl/ssl.h 2007-11-01 19:20:47.000000000 -0700
+diff -upr openssl-SNAP-20080415.orig/ssl/ssl.h openssl-SNAP-20080415/ssl/ssl.h
+--- openssl-SNAP-20080415.orig/ssl/ssl.h 2007-10-27 03:01:28.000000000 +0300
++++ openssl-SNAP-20080415/ssl/ssl.h 2008-04-15 16:32:08.000000000 +0300
@@ -353,6 +353,7 @@ extern "C" {
* 'struct ssl_st *' function parameters used to prototype callbacks
* in SSL_CTX. */
@@ -188,9 +172,9 @@ diff -upr openssl-SNAP-20071101.orig/ssl/ssl.h openssl-SNAP-20071101/ssl/ssl.h
/* Reason codes. */
#define SSL_R_APP_DATA_IN_HANDSHAKE 100
-diff -upr openssl-SNAP-20071101.orig/ssl/ssl_err.c openssl-SNAP-20071101/ssl/ssl_err.c
---- openssl-SNAP-20071101.orig/ssl/ssl_err.c 2007-10-26 17:01:29.000000000 -0700
-+++ openssl-SNAP-20071101/ssl/ssl_err.c 2007-11-01 19:19:43.000000000 -0700
+diff -upr openssl-SNAP-20080415.orig/ssl/ssl_err.c openssl-SNAP-20080415/ssl/ssl_err.c
+--- openssl-SNAP-20080415.orig/ssl/ssl_err.c 2007-10-27 03:01:29.000000000 +0300
++++ openssl-SNAP-20080415/ssl/ssl_err.c 2008-04-15 16:32:08.000000000 +0300
@@ -260,6 +260,7 @@ static ERR_STRING_DATA SSL_str_functs[]=
{ERR_FUNC(SSL_F_TLS1_PRF), "tls1_prf"},
{ERR_FUNC(SSL_F_TLS1_SETUP_KEY_BLOCK), "TLS1_SETUP_KEY_BLOCK"},
@@ -199,9 +183,9 @@ diff -upr openssl-SNAP-20071101.orig/ssl/ssl_err.c openssl-SNAP-20071101/ssl/ssl
{0,NULL}
};
-diff -upr openssl-SNAP-20071101.orig/ssl/ssl_sess.c openssl-SNAP-20071101/ssl/ssl_sess.c
---- openssl-SNAP-20071101.orig/ssl/ssl_sess.c 2007-10-17 11:00:45.000000000 -0700
-+++ openssl-SNAP-20071101/ssl/ssl_sess.c 2007-11-01 19:19:43.000000000 -0700
+diff -upr openssl-SNAP-20080415.orig/ssl/ssl_sess.c openssl-SNAP-20080415/ssl/ssl_sess.c
+--- openssl-SNAP-20080415.orig/ssl/ssl_sess.c 2007-10-17 21:00:45.000000000 +0300
++++ openssl-SNAP-20080415/ssl/ssl_sess.c 2008-04-15 16:32:08.000000000 +0300
@@ -831,6 +831,52 @@ long SSL_CTX_get_timeout(const SSL_CTX *
return(s->session_timeout);
}
@@ -255,9 +239,9 @@ diff -upr openssl-SNAP-20071101.orig/ssl/ssl_sess.c openssl-SNAP-20071101/ssl/ss
typedef struct timeout_param_st
{
SSL_CTX *ctx;
-diff -upr openssl-SNAP-20071101.orig/ssl/t1_lib.c openssl-SNAP-20071101/ssl/t1_lib.c
---- openssl-SNAP-20071101.orig/ssl/t1_lib.c 2007-10-26 06:00:29.000000000 -0700
-+++ openssl-SNAP-20071101/ssl/t1_lib.c 2007-11-01 19:19:43.000000000 -0700
+diff -upr openssl-SNAP-20080415.orig/ssl/t1_lib.c openssl-SNAP-20080415/ssl/t1_lib.c
+--- openssl-SNAP-20080415.orig/ssl/t1_lib.c 2008-03-17 00:00:10.000000000 +0200
++++ openssl-SNAP-20080415/ssl/t1_lib.c 2008-04-15 16:32:08.000000000 +0300
@@ -154,6 +154,12 @@ int tls1_new(SSL *s)
void tls1_free(SSL *s)
@@ -271,7 +255,7 @@ diff -upr openssl-SNAP-20071101.orig/ssl/t1_lib.c openssl-SNAP-20071101/ssl/t1_l
ssl3_free(s);
}
-@@ -355,8 +361,24 @@ unsigned char *ssl_add_clienthello_tlsex
+@@ -357,8 +363,24 @@ unsigned char *ssl_add_clienthello_tlsex
int ticklen;
if (s->session && s->session->tlsext_tick)
ticklen = s->session->tlsext_ticklen;
@@ -296,7 +280,7 @@ diff -upr openssl-SNAP-20071101.orig/ssl/t1_lib.c openssl-SNAP-20071101/ssl/t1_l
/* Check for enough room 2 for extension type, 2 for len
* rest for ticket
*/
-@@ -369,6 +391,7 @@ unsigned char *ssl_add_clienthello_tlsex
+@@ -371,6 +393,7 @@ unsigned char *ssl_add_clienthello_tlsex
ret += ticklen;
}
}
@@ -304,7 +288,7 @@ diff -upr openssl-SNAP-20071101.orig/ssl/t1_lib.c openssl-SNAP-20071101/ssl/t1_l
#ifdef TLSEXT_TYPE_opaque_prf_input
if (s->s3->client_opaque_prf_input != NULL)
-@@ -1422,6 +1445,8 @@ int tls1_process_ticket(SSL *s, unsigned
+@@ -1425,6 +1448,8 @@ int tls1_process_ticket(SSL *s, unsigned
s->tlsext_ticket_expected = 1;
return 0; /* Cache miss */
}
@@ -313,9 +297,9 @@ diff -upr openssl-SNAP-20071101.orig/ssl/t1_lib.c openssl-SNAP-20071101/ssl/t1_l
return tls_decrypt_ticket(s, p, size, session_id, len,
ret);
}
-diff -upr openssl-SNAP-20071101.orig/ssl/tls1.h openssl-SNAP-20071101/ssl/tls1.h
---- openssl-SNAP-20071101.orig/ssl/tls1.h 2007-09-26 15:01:39.000000000 -0700
-+++ openssl-SNAP-20071101/ssl/tls1.h 2007-11-01 19:19:43.000000000 -0700
+diff -upr openssl-SNAP-20080415.orig/ssl/tls1.h openssl-SNAP-20080415/ssl/tls1.h
+--- openssl-SNAP-20080415.orig/ssl/tls1.h 2007-09-27 01:01:39.000000000 +0300
++++ openssl-SNAP-20080415/ssl/tls1.h 2008-04-15 16:32:08.000000000 +0300
@@ -509,6 +509,14 @@ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TLSEXT_OPA
#define TLS_MD_MASTER_SECRET_CONST "\x6d\x61\x73\x74\x65\x72\x20\x73\x65\x63\x72\x65\x74" /*master secret*/
#endif
@@ -331,9 +315,9 @@ diff -upr openssl-SNAP-20071101.orig/ssl/tls1.h openssl-SNAP-20071101/ssl/tls1.h
#ifdef __cplusplus
}
#endif
-diff -upr openssl-SNAP-20071101.orig/util/ssleay.num openssl-SNAP-20071101/util/ssleay.num
---- openssl-SNAP-20071101.orig/util/ssleay.num 2007-08-31 06:03:14.000000000 -0700
-+++ openssl-SNAP-20071101/util/ssleay.num 2007-11-01 19:19:43.000000000 -0700
+diff -upr openssl-SNAP-20080415.orig/util/ssleay.num openssl-SNAP-20080415/util/ssleay.num
+--- openssl-SNAP-20080415.orig/util/ssleay.num 2007-08-31 16:03:14.000000000 +0300
++++ openssl-SNAP-20080415/util/ssleay.num 2008-04-15 16:32:08.000000000 +0300
@@ -253,3 +253,5 @@ PEM_write_bio_SSL_SESSION
PEM_read_SSL_SESSION 302 EXIST:!WIN16:FUNCTION:
PEM_read_bio_SSL_SESSION 303 EXIST::FUNCTION: